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Science and TechnologySEE 2074

What is the SI unit of electric current?

1

Answer

· Based on the official syllabus and past papers
Updated

The SI unit of electric current is the ampere (symbol ).
An ampere is defined as the constant current that, if maintained in two straight, parallel conductors of infinite length, placed one metre apart in vacuum, would produce a force of per metre of length between them.
Thus, one ampere equals one coulomb of charge passing through a cross‑sectional area per second:

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